PERIOD OF RECORD.--Discharge records from October 1932 to current
year. Prior to January 1933, monthly mean discharge published in WSP
1308. Prior to October 1959, published as "Lime Creek at Mason
City."

GAGE.--Water-stage recorder and concrete control. Datum of gage is
1,069.59 ft above National Geodetic Vertical Datum of 1929. Prior to
October 15, 1934, non-recording gage at datum 6.47 ft lower; October
15 to November 6, 1934, non-recording gage at different datum;
November 7, 1934, to March 22, 1935, non-recording gage at same
datum.